Beginner-friendly classes, supportive coaches, and a clear path from your first class to improvement. Results are often seen in just a few weeks – even if you’ve never trained before.
Discover the perfect BJJ program for you and your family.












At Morumbi Jiu Jitsu Academy, we are a family-focused community dedicated to authentic Brazilian Jiu-Jitsu. We are proudly led by Professor Fabio Leopoldo—a 6th-degree black belt and multi-time World, Pan-American, and Brazilian National Champion. Under his expert mentorship, dedicated practitioners like Guilherme Monteiro have been taught to train at the absolute highest level, bringing this standard of excellence to our Morumbi Simi Valley location.
Together, we provide world-class instruction in a safe, welcoming, and empowering environment for kids, teens, and adults.
Professor Guilherme Monteiro began training Brazilian Jiu-Jitsu at age 13 in São Paulo under Alexandre Mestrinho. He honed his skills for five years at Alliance with Master Fábio Gurgel and then continued his development in the U.S. at Atos Headquarters with André Galvão. After 14 years of dedication, he proudly earned his black belt from Fábio Leopoldo.
Guilherme has an impressive competition record, including titles such as IBJJF American National Champion, multiple-time IBJJF International Medalist, and No-Gi Pan American Medalist. He is also the co-founder of Morumbi Jiu-Jitsu Academy in Simi Valley, where he shares his expertise and passion with students of all ages.











Posted on Robert EstiandanTrustindex verifies that the original source of the review is Google. I love taking jiu jitsu classes with Professor. 👍👍Posted on Alejandro HernandezTrustindex verifies that the original source of the review is Google. Had a really good experience.Really friendly people and clean mats . World class jujitsuPosted on Alisha GTrustindex verifies that the original source of the review is Google. Do you not like close contact with others? Not like other people’s sweat on you? Are you kind of a germaphobe? Do you think other people’s feet are gross? Maybe even self conscience about the way your own feet look? If yes, then this is the place for you. It will teach you mind over matter and throw all that “icky stuff” out the window. These were my main concerns when I was asked the first couple of times to try bjj out. Quite frankly I learned to “mostly” get over it. I’ve never been in a sport that’s challenged my mental and physical strength as much as bjj. And I’m glad I gave it a chance at Morumbi Simi Valley. It’s hard but really fun and has been a great experience for me…being slightly a germaphobe and all. Professer Gui and his team are amazing! Very welcoming since day one and very knowledgeable. If you have a question, they got an answer. If you’re partnered up with someone with a completely different physique than you, don’t worry, they’ll coach you out of a sticky situation. And the women’s only class has been a real treat too! A bonus for us girls!Posted on Elham ShahTrustindex verifies that the original source of the review is Google. I’ve been bringing my son here for a year now. I love the discipline and wholistic approach they have to their program. The instructor, professor Gui, makes sure the students gear individual attention and instruction during class and always reminds the kids of the importance of being disciplined and hardworking in all aspects of their life.Posted on Emily WalkerTrustindex verifies that the original source of the review is Google. My son and I absolutely love this studio. Everyone is treated with respect and kindness, and my son’s confidence has improved dramatically. I highly recommend this studio to anyone looking to improve health and emotional wellness. The professor and his wife are so warm and friendly and I love the family vibe this place has.Posted on luiza MagalhãesTrustindex verifies that the original source of the review is Google. I had such a great time, all professors and students were amazing and warmfull.Posted on Zachary RobertsTrustindex verifies that the original source of the review is Google. The best jiujitsu academy around. Everyone is such great people. I learned a lot professor Gui and coach Dan are the best teachers , I appreciate and respect them so much. They really work hard in showing you every technique they have to teach . They will always be family and the only jujitsu place I will ever go.Posted on Matt UlawskiTrustindex verifies that the original source of the review is Google. Great and friendly environment. Highly recommend this academy.Posted on Sergio DaningerTrustindex verifies that the original source of the review is Google. Professor Gui, além de um excelente professor é ainda melhor como ser humano. O carinho e cuidado com os que estão à sua volta, principalmente com as crianças, demonstra a seriedade e profissionalismo na academia. Isso tudo, nos faz sentir ainda mais o espírito de comunidade que Jiu-Jitsu proporciona.Posted on cleiton rodriguesTrustindex verifies that the original source of the review is Google. A melhor da América 🗽🗽
Yes, Brazilian Jiu Jitsu is suitable for beginners of all ages and fitness levels.
Brazilian Jiu Jitsu emphasizes technique and control, reducing the risk of injury.
In your first class, you’ll start with a warm-up followed by instruction on basic techniques and positions.
Yes, many practitioners train for self-improvement, fitness, and camaraderie without competing.
Brazilian Jiu Jitsu can benefit children by promoting discipline, confidence, and physical fitness. Our academy offers a safe environment with experienced instructors adept at engaging children effectively.
Morumbi Brazilian Jiu Jitsu is one of the most trusted names in martial arts around the World. Our values, commitment to excellence, and dedication to jiu-jitsu have set us apart as a leader in the Simi Valley area martial arts community.